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The assurance of sustainability reports and their impact on stock market prices

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  • Miralles Quirós, María Mar
  • Miralles Quirós, José Luis
  • Daza Izquierdo, Julio

Abstract

[EN] The publication of non-financial information is a trend in recent decades in listed companies. From this fact, the need arises to provide credibility to the information by verifying an independent professional who provides a guarantee of the published information. Therefore, this article analyses whether the verification of sustainability reports influences the stock prices of Ibex-35 companies. With this aim, a content analysis has been prepared that allows us to quantify aspects as relevant as the commissioning and the objective of the assurance requested by the company, the auditor’s independence or the result of the verification process. The results obtained show that Ibex-35 companies maintain a growing trend in their social commitment and greater recognition of the transfer of verified information to the different stakeholders of the companies. In addition, the efforts made by companies are valued positively by investors, especially in response to the level of assurance requested from the guarantee provider of the sustainability report.

Suggested Citation

  • Miralles Quirós, María Mar & Miralles Quirós, José Luis & Daza Izquierdo, Julio, 2021. "The assurance of sustainability reports and their impact on stock market prices," Cuadernos de Gestión, Universidad del País Vasco - Instituto de Economía Aplicada a la Empresa (IEAE).
    • Handle: RePEc:ehu:cuader:49757
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    1. Xiaojuan Wu & Patrycja Hąbek, 2021. "Trends in Corporate Social Responsibility Reporting. The Case of Chinese Listed Companies," Sustainability, MDPI, vol. 13(15), pages 1-16, August.
    2. José M. Moneva & Sabina Scarpellini & Alfonso Aranda‐Usón & Igor Alvarez Etxeberria, 2023. "Sustainability reporting in view of the European sustainable finance taxonomy: Is the financial sector ready to disclose circular economy?," Corporate Social Responsibility and Environmental Management, John Wiley & Sons, vol. 30(3), pages 1336-1347, May.
    3. Hyun-Duck Kim, 2021. "Analyzing Sustainability Reports of Global, Public Corporations by Industrial Sectors and National Origins," Sustainability, MDPI, vol. 13(9), pages 1-14, May.
    4. Martínez García de Leaniz, Patricia & Castro González, Sandra, 2023. "Consumer behavior on sustainable issues," Cuadernos de Gestión, Universidad del País Vasco - Instituto de Economía Aplicada a la Empresa (IEAE).

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